'Light receptors' diaporamas de présentation

Chapter 10

Chapter 10. Photosynthesis. Overview: The Process That Feeds the Biosphere. Photosynthesis is the process that converts solar energy into chemical energy Directly or indirectly, photosynthesis nourishes almost the entire living world.

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The Special Senses

542 views • 41 slides

Definitions

Digital Image Processing & Analysis Dr. Samir H. Abdul-Jauwad Electrical Engineering Department King Fahd University of Petroleum & Minerals. Definitions. Image Processing Image Analysis (Image Understanding) Computer Vision Low Level Processes: contrast manipulation

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Transport and Reproduction in Angiosperms

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Human Visual Perception

Human Visual Perception. The Human Eye. Diameter: 20 mm 3 membranes enclose the eye Cornea & sclera Choroid Retina. The Choroid. The choroid contains blood vessels for eye nutrition and is heavily pigmented to reduce extraneous light entrance and backscatter.

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Site-directed mutagenesis

Site-directed mutagenesis. Mutation is a random process The rate of mutation can be increased with radiation or mutagenic chemicals Individuals mutant at certain loci can be selected for or screened for, but the exact location and nature of the mutation is unknown.

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EYE

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The Human Eye

The Human Eye. Dr. Wendy Bruffy. The 3 Tissues of the Eye. Sclerotic coat (1) This tough layer creates the " white " of the eye except in the front where it forms the transparent cornea . The cornea admits light to the interior of the eye and

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The blue light signaling pathways What does blue light do to plants?

The blue light signaling pathways What does blue light do to plants? 1) phototropism: growing towards light. 2) Inhibits stem elongation (overlapping with red light). 3) Stimulate stomatal opening. Dark---- ? blue light. Why stomatal opening depends on light?. blue light.

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Eyes

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Vision

Vision. Pupil- adjustable opening in the center of the eye Iris- a ring of muscle the forms the colored portion of the eye around the pupil and controls the size of the pupil opening Lens- transparent structure behind pupil that changes shape to focus images on the retina. Vision. Vision.

262 views • 7 slides